Integrate basic web server functionality into player

clapper_src/player.js

@@ -639,6 +639,22 @@ class ClapperPlayer extends PlayerBase
         return true;
     }
 
+    _onWsData(server, action, value)
+    {
+        switch(action) {
+            case 'toggle-play':
+                this.toggle_play();
+                break;
+            case 'play':
+            case 'pause':
+                this[action]();
+                break;
+            default:
+                super._onWsData(server, action, value);
+                break;
+        }
+    }
+
     _onCloseRequest(window)
     {
         this._performCloseCleanup(window);

clapper_src/playerBase.js

@@ -2,6 +2,8 @@ const { Gio, GLib, GObject, Gst, GstPlayer, Gtk } = imports.gi;
 const Debug = imports.clapper_src.debug;
 const Misc = imports.clapper_src.misc;
 
+let WebServer;
+
 /* PlayFlags are not exported through GI */
 Gst.PlayFlags = {
   VIDEO: 1,
@@ -66,6 +68,9 @@ class ClapperPlayerBase extends GstPlayer.Player
         this.state = GstPlayer.PlayerState.STOPPED;
         this.visualization_enabled = false;
 
+        this.webserver = null;
+        this.websocketSignal = null;
+
         this.set_all_plugins_ranks();
         this.set_initial_config();
         this.set_and_bind_settings();
@@ -89,6 +94,7 @@ class ClapperPlayerBase extends GstPlayer.Player
             'audio-offset',
             'subtitle-offset',
             'play-flags',
+            'webserver-enabled',
         ];
 
         for(let key of settingsToSet)
@@ -175,6 +181,11 @@ class ClapperPlayerBase extends GstPlayer.Player
             this.widget.queue_render();
     }
 
+    _onWsData(server, action, value)
+    {
+        debug(`unhandled WebSocket action: ${action}`);
+    }
+
     _onSettingsKeyChanged(settings, key)
     {
         let root, value, action;
@@ -267,6 +278,29 @@ class ClapperPlayerBase extends GstPlayer.Player
                 this.pipeline.flags = settingsFlags;
                 debug(`changed play flags: ${initialFlags} -> ${settingsFlags}`);
                 break;
+            case 'webserver-enabled':
+                const webserverEnabled = settings.get_boolean(key);
+
+                if(webserverEnabled) {
+                    if(!WebServer) {
+                        /* Probably most users will not use this,
+                         * so conditional import for faster startup */
+                        WebServer = imports.clapper_src.webserver.WebServer;
+                    }
+
+                    if(!this.webserver)
+                        this.webserver = new WebServer(settings.get_int('webserver-port'));
+
+                    this.webserver.startListening();
+                    this.websocketSignal = this.webserver.connect(
+                        'websocket-data', this._onWsData.bind(this)
+                    );
+                }
+                else if(this.webserver) {
+                    this.webserver.disconnect(this.websocketSignal);
+                    this.webserver.stopListening();
+                }
+                break;
             default:
                 break;
         }

data/com.github.rafostar.Clapper.gschema.xml

@@ -49,6 +49,16 @@
       <summary>The subtitles font description</summary>
     </key>
 
+    <!-- Network -->
+    <key name="webserver-enabled" type="b">
+      <default>false</default>
+      <summary>Enable WebSocket server for remote playback control</summary>
+    </key>
+    <key name="webserver-port" type="i">
+      <default>6446</default>
+      <summary>Listening port to use for incoming WebSocket connections</summary>
+    </key>
+
     <!-- Tweaks -->
     <key name="dark-theme" type="b">
       <default>true</default>